set Tyan to bidirectional mode for parallel port
set edu so that parallel port is on io 0x378 and irq 7

edu side uses irq 7 for sound card and parallel port
requires a cold boot to reset things so plip will work
changed jazz 16 sound card to irq 5 instead

insmod parport
insmod parport_pc io=0x378 irq=7
insmod plip

server plip ip:   192.168.0.202
edu    plip ip:   192.168.0.201

On the server side:
/sbin/ifconfig plip0 192.168.0.202 pointopoint 192.168.0.201 netmask 255.255.255.255 up

On the edu side:
/sbin/ifconfig plip0 192.168.0.201 pointopoint 192.168.0.202 netmask 255.255.255.255 up

freedos
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plip -u      unloads plip module from memory